Seasons:
October through mid-December and March through early May are the best times. It is possible in winter, but you have to watch out for hypothermia. During monsoon (June to September), the white water sections are dangerous, but gentler stretches are run-able.

Class: 4 Very Difficult:
Large rapid that require careful manoeuving. Dangerous hazards. Scouting from the shore is often necessary and rescue is usually difficult. kayakers should be able to roll. Turbulent water & large irregular waves may flip rafts. In the event of a mishap there is significant risk of loss, damage and/or injury.